Process for preparing flame resistant molded articles of foamed

Details Process for preparing flame resistant molded articles of foamed Process for preparing flame resistant molded articles of foamed

1975-01-13

1976-11-30

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25FP, 260 4213, 260 457R, 260 458A, 260 458NT, 260 459R, 260DIG24, 526 1, 526 6, 526 21, C08J 922

Patent

active

039948366

ABSTRACT:
The invention relates to a process for preparing molded articles of foamed polystyrene which are characterised by flame resistance or, respectively, flame retardatory properties, the process comprising foaming expandable polystyrene granulate or bead containing a blowing agent with an aqueous medium containing an alkali silicate, and optionally triglycidyl isocyanurate, a water-soluble amine, and a quaternary ammonium base.

REFERENCES:
patent: 2862834 (1958-12-01), Hiler
patent: 3429836 (1969-02-01), Stastny et al.
patent: 3434980 (1969-03-01), Stastny et al.
patent: 3554934 (1971-01-01), Ingram
patent: 3595815 (1971-07-01), Willersinn et al.
patent: 3631132 (1971-12-01), Westernacher et al.
patent: 3639299 (1972-02-01), MacDowall
patent: 3660318 (1972-05-01), Taniuchi et al.
patent: 3661809 (1972-05-01), Pitts
patent: 3686067 (1972-08-01), Williams
patent: 3772220 (1973-11-01), Parker et al.
lyons, The Chem. & Uses of Fire Retardants (Wiley-Interscience, 1970) pp. 248-249.

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